Polychlorocarbon
[化] 多氯烃; 多氯代烃
🗣️ 情景例句
You've changed a lot since I last saw you.
自从我上次见到你以来，你改变了很多。
She has a particular interest in painting.
她特别爱好绘画。
Mr. Fang is in London. He's looking for different places. He needs some help.
方先生在伦敦。他在寻找一些地方，他需要帮助。